<template>
  <div id="app">
    <!-- 头部区域 -->
   <mt-header fixed title="Stong">
     <span slot="left" @click="goBack" v-show="flag">
        <mt-button icon="back">返回</mt-button>
      </span>
   </mt-header>
  <!-- 中间部分 -->

<transition>
 <router-view></router-view>
</transition>
 

  <!-- 底部 -->
  	<nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-llb " to="/myhome">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="badge">{{$store.getters.getAllCount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>

  </div>
</template>
<script>
export default {
  data() {
    return {
      flag: false
    };
  },
  created() {
    this.flag = this.$route.path === "/myhome" ? false : true;
  },
  methods: {
    goBack() {
      // 点击后退
      this.$router.go(-1);
    }
  },
  watch: {
    "$route.path": function(newVal) {
      if (newVal === "/myhome") {
        this.flag = false;
      } else {
        this.flag = true;
      }
    }
  }
};
  
</script>


<style lang="less" scoped>
 #app{
	 padding-top: 40px;
	 padding-bottom: 51px;
	 overflow-x: hidden;
 }
 .v-enter{
	 opacity: 0;
	 transform: translateX(100%)
}

.v-leave-to{
	opacity: 0;
	transform: translateX(-100%);
	position: absolute;

 }
 .v-enter-active,
 .v-leave-active{
	 transition:all 0.5s ease ;
 }

 // 该类名，解决 tabbar 点击无法切换的问题
.mui-bar-tab .mui-tab-item-llb.mui-active {
    color: #007aff;
}

.mui-bar-tab .mui-tab-item-llb {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}

.mui-bar-tab .mui-tab-item-llb .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}

.mui-bar-tab .mui-tab-item-llb .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}

</style>
